Vehicle guidance system

  • US 5,247,439 A
  • Filed: 04/27/1992
  • Issued: 09/21/1993
  • Est. Priority Date: 11/08/1982
  • Status: Expired due to Term
First Claim
Patent Images

1. A vehicle guidance system for guiding a motor vehicle in a locality, said vehicle guidance system adapted to interact with the operator of the vehicle and comprising a central traffic control system and an on-board vehicle guidance and control system, said locality being designated by a plurality of horizontal and vertical coordinates:

  • said central traffic control system includinghorizontal memory means for storing horizontal coordinates information and horizontal direction information of a specific locality,vertical memory means for storing vertical coordinates information and vertical direction information of the specific locality,transmitter means for transmitting said horizontal coordinate and direction information and said vertical coordinate and direction information of said specific locality, anda system control unit for controlling the continuous transmission of the horizontal and vertical coordinate and direction information of the specific locality; and

    ,said on-board vehicle guidance and control system includingreceiver means for receiving the horizontal and vertical coordinates information of a selected locality from said central traffic control system,vertical coordinates memory means for storing the received vertical coordinates information of the selected locality,horizontal coordinates memory means for storing the received horizontal coordinates information of the selected locality,an on-board system control unit for controlling the reception and storage of said horizontal and vertical coordinates information of said selected locality,vehicle destination transmitting means for transmitting destination information of said vehicle to said central traffic control system,said on-board system control unit compares the selected locality coordinate information with the destination information, and transfers the directions obtained from said on-board vehicle guidance and control system vertical coordinates memory means and horizontal coordinates memory means to a display feed memory,said display feed memory further stores route direction information for reaching the destination of the vehicle, including storing decision points, anddisplay means for displaying said route direction information,wherein said on-board system control unit directs the display feed memory to store distances and bearings from said selected locality up to the destination, and wherein the display means displays the decision point information stored in the display feed memory.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×